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Fudgin [204]
2 years ago
13

A doctor is measuring the mean systolic blood pressure of female students at a large college. Systolic blood pressure is known t

o have a skewed distribution. The doctor collects systolic blood pressure measurements from random sample of 28 female students. The resulting 90% confidence interval is (100. 4, 159. 6). Units of systolic blood pressure are mmhg. Which one of the following conclusions is valid?
SAT
1 answer:
Zarrin [17]2 years ago
7 0

Using the Central Limit Theorem, it is found that the valid conclusion is given as follows:

The sampling distribution will probably not follow a normal distribution, hence we cannot draw a conclusion.

<h3>Central Limit Theorem</h3>

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the sampling distribution is also approximately normal, as long as n is at least 30.

In this problem, we have a skewed variable with a sample size less than 30, hence the Central Limit Theorem cannot be applied and the correct conclusion is:

The sampling distribution will probably not follow a normal distribution, hence we cannot draw a conclusion.

To learn more about the Central Limit Theorem, you can check brainly.com/question/24663213

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scoray [572]

Answer:

Explanation:

Let's just get the answer and then show why the others are wrong.

The answer is C.

The number of reactants and Products need not be the same

C3H8 + 5O2 ===> 3CO2 + 4H2O

The reactants = 1 + 5 = 6

The products = 3 + 4 = 7

So A is incorrect.

================

B is saying that

C3H8 + 5O2 ===> C3H8 + 5O2

The answer is obviously not B

======================

C8H18(l) + O2(g) ==> CO2(g) + H2O(g)      unbalanced

Gasoline is a liquid. All the rest are gases. D is wrong.

=================

C is correct

The left side has

3 Cs

8 Hs

and 10 Os

The right side has

3Cs

8Hs

10 Os

3 0
3 years ago
Assume that there is a 6​% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive wit
Finger [1]
The easiest way to do this is calculate the probability that all drives crash, and subtract that from one. The first one is .06 squared subtracted from 1, so it’s .9964 or 99.64%. The second one is .06 cubed subtracted from 1, so it’s .9998, or 99.98 %
3 0
3 years ago
quizlet. the 2022 American Diabetes Association (ADA) updated guidelines include which of the following recommendations for pred
Darina [25.2K]

The American Diabetes Association (ADA) updated guidelines  in their recommendations for prediabetes and diabetes screening in asymptomatic adults

<h3>hat is the main aim of the American Diabetes Association?</h3>

The mission of  this society is to hinder and cure diabetes and it is known to be one whose aim is improve the lives of all people afflicted by diabetes.

Hence The American Diabetes Association (ADA) updated guidelines  in their recommendations for prediabetes and diabetes screening in asymptomatic adults

Learn  more about Diabetes  from

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8 0
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Pros and cons of metro districts colorado
Karo-lina-s [1.5K]

The Pros and cons of metro districts Colorado

  • it is known to be the Special tax districts.
  • It is easy to find a  subdivision within a metro district.\
  • Mosquito control
  • Safety protections
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<h3>What is a Metro District in Colorado?</h3>

Metropolitan districts are known to be a kind of a quasi-governmental bodies that has taxing authority that are known to be used to handle or finance the needed  public infrastructure and services that a  City are not able to  otherwise provide.

Note that the metro district is said to be a kind of a type of special district that was gotten from Colorado's Special District Act and it is one that is made up of about 1,819 metro districts

Hence, The Pros and cons of metro districts Colorado

  • it is known to be the Special tax districts.
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  • Mosquito control
  • Safety protections
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Learn more about Colorado from

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5 0
2 years ago
Which element when combined with chlorine would most likely form an ionic compound.
Soloha48 [4]

Answer: Lithium

Explanation:

Chlorine's high electronegativity causes it to pull electrons from lithium, resulting in the ionic compound LiCl being formed

8 0
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